Messages in this thread | | | Date | Thu, 29 Sep 2005 16:39:57 -0700 (PDT) | From | Suzanne Wood <> | Subject | Re: [RFC][PATCH] identify in_dev_get rcu read-side critical sections |
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> From suzannew Thu Sep 29 16:30:28 2005
> > From: Herbert Xu 30 Sep 2005 07:28
> > BTW, could you please move the rcu_dereference in in_dev_get() > > into the if clause? The barrier is not needed when ip_ptr is > > NULL.
> The trouble with that may be that there are three events, the > dereference, the assignment, and the conditional test. The > rcu_dereference() is meant to assure deferred destruction > throughout.
Sorry, I was thinking in terms of the rcu_read_lock, so this is misstated. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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